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Finding the Fourth Proportional to 447,579.04, 671,208.66 and 148,004.32

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Solution

The fourth proportional to 447,579.04, 671,208.66 and 148,004.32 is: 221,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,579.04 : 671,208.66 = 148,004.32 : x
  2. Step 2: Convert to fraction form
    447,579.04/671,208.66 = 148,004.32/x
  3. Step 3: Cross multiply
    447,579.04x = 671,208.66 × 148,004.32
  4. Step 4: Simplify right side
    447,579.04x = 99,341,781,301.41
  5. Step 5: Solve for x
    x = 99,341,781,301.41/447,579.04
  6. Step 6: Final answer
    x = 221,953.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.